#42426B#42426B

#42426B is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.8% C 0.069 H 282.8°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#42426B
RGB	rgb(66, 66, 107)
HSL	hsl(240, 24%, 34%)
HSV	hsv(240, 38%, 42%)
CMYK	cmyk(38.3%, 38.3%, 0%, 58%)
CIE-LAB	lab(29.70, 11.06, -23.86)
CIE-LCH	lch(29.70, 26.30, 294.86°)
OKLab	oklab(39.82% 0.0152 -0.0668)
OKLCH	oklch(39.82% 0.069 282.8)
XYZ	xyz(6.8481, 6.1160, 14.7268)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42426B #6B6B42

analogous

#42576B #42426B #57426B

triadic

#42426B #6B4242 #426B42

tetradic

#42426B #6B4257 #6B6B42 #426B57

square

#42426B #6B4257 #6B6B42 #426B57

split-complementary

#42426B #6B5742 #576B42

monochromatic

#13131F #2B2B45 #42426B #595991 #7A7AAD

Accessibility & contrast

On white

9.45

#42426B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#42426B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42426B

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42426B	#FFFFFF	#000000	##FFFFFF
##42426B	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35476D

Deuteranopia (green-blind)

#33456A

Tritanopia (blue-blind)

#374A51

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #42426b;
/* rgb */ color: rgb(66, 66, 107);
/* oklch */ color: oklch(39.8% 0.069 282.8);

Tailwind

colors: {
  custom: {
    50: '#787695',
    500: '#42426b',
    950: '#000000',
  },
}

SCSS

$custom: #42426b;
$custom-light: #787695;
$custom-dark: #000000;

JSON

{
  "hex": "#42426b",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 107
  },
  "hsl": {
    "h": 240,
    "s": 23.699,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39821,
    "c": 0.06853,
    "h": 282.8
  },
  "luminance": 0.06116
}

Semantic roles & 50–950 ramp

primary

#42426B

secondary

#999970

accent

#C068C0

background

#F7F7F9

surface

#EDEDF1

border

#C8C8CB

text

#09080D

muted

#7B7B7E

Preview Lab

Preview with #42426B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →